Datasheet HT75Hxx (Holtek) - 2

HT75Hxx Block Diagram
OTP VIN OUT OCP 300Ω Vref CE En En Soft Start GND
Pin Assignment SOT89 SOT23-5
OUT NC 5 4 OUT 1 8 VIN
HT75Hxx 5Hxx
NC 2 9 7 CE NC 3 GND 6 NC 1 2 3 NC 4 5 GND 1 2 3
HT75Hxx
OUT GND VIN VIN GND CE
8 SOP-EP-A Pin Descriptions Pin No. Pin Name Pin Description SOT89 SOT23-5 8SOP-EP
3 1 8 VIN Input pin 2 2 5, 9 GND Ground pin 1 5 1 OUT Output pin — 3 7 CE Chip enable pin, high enable — 4 2, 3, 4, 6 NC No connection Rev. 1.00 2 May 29, 2020 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Descriptions Absolute Maximum Ratings Recommended Operating Range Electrical Characteristics Typical Performance Characteristic Application Information Power-on Considerations OCP and OTP Protections Fast Output Discharging Function Input Capacitor CIN Consideration Output Capacitor COUT Considerations Thermal Considerations Power Dissipation Calculation Application Circuits Basic Circuits High Output Current Positive Voltage Regulator Short-Circuit Protection by Tr1 Increasing Output Voltage Circuits Constant Current Regulator Dual Supply Package Information 3-pin SOT89-3 Outline Dimensions 5-pin SOT23-5 Outline Dimensions 8-pin SOP-EP (150mil) Outline Dimensions